When to Plant Peas in Oklahoma
One of the earliest crops you can plant. Kids love picking and eating them right off the vine.
The Short Answer
Oklahoma Frost Dates
Your planting dates depend on which part of Oklahoma you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Oklahoma | 6b, 7a | Apr 5 - Apr 20 | Oct 15 - Nov 1 |
| Central Oklahoma | 7a, 7b | Mar 25 - Apr 10 | Oct 25 - Nov 10 |
| Southern Oklahoma | 7b | Mar 15 - Apr 1 | Nov 1 - Nov 15 |
Peas Planting Schedule for Oklahoma
Northern Oklahoma (Zones 6b, 7a)
Average last frost: Apr 5 - Apr 20 · Average first frost: Oct 15 - Nov 1
Central Oklahoma (Zones 7a, 7b)
Average last frost: Mar 25 - Apr 10 · Average first frost: Oct 25 - Nov 10
Southern Oklahoma (Zones 7b)
Average last frost: Mar 15 - Apr 1 · Average first frost: Nov 1 - Nov 15
Growing Peas in Oklahoma
Peas in Oklahoma's Climate
Peas are a late-winter crop in warm climates. Sow from January through February and harvest before spring heat arrives. The window is narrow — once temperatures hit 80°F, peas decline within days. For warm-season alternatives, grow Southern peas (black-eyed peas) which thrive in conditions that kill garden peas.
Soil Considerations for Oklahoma
Red clay soils common. Alkaline in west. Rich prairie soils in east. Wind erosion in western panhandle.
Oklahoma Climate & Growing Season
Hot summers. Severe thunderstorms and tornado risk. Good growing season length. Windy — windbreaks help gardens. Peas can handle frost well, which is an advantage in Oklahoma's climate. You can push planting dates earlier in spring and extend into fall.
Growing season length varies across Oklahoma: Northern Oklahoma (6b, 7a) has a last frost around Apr 5 - Apr 20, while Southern Oklahoma (7b) sees frost end around Mar 15 - Apr 1. This difference matters for peas — but peas handle frost well, so the timing difference is less critical.
Growing Tips
Direct sow as early as the soil can be worked. Inoculate with rhizobium for bigger harvests. Provide a trellis for climbing varieties.
Companion Planting
Plant peas alongside these companions for better growth:
Keep peas away from:
The Bottom Line
Last reviewed: March 29, 2026